CN112968225A - Zinc-silver battery charging and discharging current waveform generation method and control device - Google Patents
Zinc-silver battery charging and discharging current waveform generation method and control device Download PDFInfo
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- CN112968225A CN112968225A CN202110122155.2A CN202110122155A CN112968225A CN 112968225 A CN112968225 A CN 112968225A CN 202110122155 A CN202110122155 A CN 202110122155A CN 112968225 A CN112968225 A CN 112968225A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to a method for generating charging and discharging current waveforms of a zinc-silver battery and a control device, wherein a charging direct current electronic load and a discharging direct current electronic load are adopted to respectively carry out current control on positive and negative half cycles of charging and discharging of the zinc-silver battery, and the voltage and the current of an output loop of the zinc-silver battery are sampled and then fed back to a data acquisition unit, the data acquisition unit carries out closed-loop control on the whole formation circuit, and the closed loop automatically adjusts the magnitude of the output charging and discharging current and generates charging and discharging current waveforms. Generating analog signals of charging and discharging current waveforms required by a data acquisition unit in a mathematical mode to respectively control charging and discharging electronic loads, accurately outputting a formation current value required correspondingly, and charging and discharging the zinc-silver battery; the charging and discharging current waveforms are smooth and complete, the conduction time is accurately and reliably controlled, and the high stability and safety of the zinc-silver battery are ensured. The device has simple wiring and reliable and convenient control.
Description
Technical Field
The invention relates to the technical field of zinc-silver battery preparation and production, in particular to a method for generating charging and discharging current waveforms of a zinc-silver battery.
Background
The zinc-silver battery as a chemical battery has the advantages of high specific energy, high specific power, large discharge current, stable discharge voltage, high reliability, good safety, no noise pollution and the like, is used as a matched power supply, and is widely applied to the fields of aviation, aerospace, military equipment (such as guidance and remote measurement of rockets and missiles) and the like. In the production process of the zinc-silver battery, the electrode of the zinc-silver battery must be activated to ensure the service life of the zinc-silver battery and output stable voltage. In production, the charge and discharge of the zinc-silver battery are used for converting active substances in the battery into substances with normal electrochemical action by virtue of charge and discharge. The waveform and the current magnitude of charging and discharging current directly influence the quality of the zinc-silver battery, and the charging and discharging modes of the traditional zinc-silver battery mainly comprise two types:
(1) a direct current charging method: the DC power supply is connected with the DC load in series and then is added on the battery, and the battery can only be charged with constant current. The method has simple circuit, but the accuracy of controlling the current output is low, and the discharge of the battery cannot be realized.
The charging current waveform of the method is mainly realized by setting a direct current electronic load, constant-value current charging can be carried out, high and low current values (similar to square wave waveforms) can be charged at most, other waveforms cannot be set, the setting method is complex, and the technical requirement on operators is high.
(2) Asymmetric ac charging method: the AC power supply is connected with the AC/DC charger and then is added on the battery to charge and discharge the battery. The method is characterized in that in one period, positive half-wave charging and negative half-wave discharging are carried out, and the charging current is required to be larger than the discharging current.
The charging current waveform of the method is charging and discharging with fixed waveform (depending on the output waveform of an alternating current power supply), in order to ensure that the positive half-wave and the negative half-wave are asymmetric in current, a charging and discharging device which can specially generate asymmetric waveform is needed, the device is quite difficult to manufacture, few asymmetric charging and discharging equipment can be produced domestically, the asymmetric charging and discharging current is mainly manually adjusted by respectively connecting slide wire varistors in a charging loop and a discharging loop, the conduction of the positive half-wave and the negative half-wave is realized by connecting two high-power diodes in the positive half-wave and the negative half-wave, the current control precision is poor, and the waveform is disordered and incomplete. The charging and discharging waveforms depend on the output waveforms of the alternating current power supply, the method has complicated line wiring and tedious control, and the waveform conduction time cannot be adjusted.
Disclosure of Invention
The invention aims to provide a method for generating charging and discharging current waveforms of a zinc-silver battery, which aims to solve the technical problems and provides a control device for charging and discharging the zinc-silver battery for implementing the method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for generating charging and discharging current waveforms of a zinc-silver battery adopts a charging direct current electronic load and a discharging direct current electronic load to respectively perform current control on positive and negative half cycles of charging and discharging of the zinc-silver battery, and feeds back the voltage and the current of an output loop of the zinc-silver battery to a data acquisition unit after sampling, the data acquisition unit performs closed-loop control on the whole formed circuit, and the closed loop automatically adjusts the magnitude of the output charging and discharging current and generates charging and discharging current waveforms.
The above scheme is further that the data acquisition unit is a multifunctional analog data acquisition unit, and the data acquisition unit performs closed-loop control on the whole formation circuit, including:
(1) according to the current waveform required by the charging and discharging process of a user, N points are taken in a memory of a data acquisition unit in one period, and various required alternating current waveforms in a ratio of 1: 1 are synthesized; the positive value of the waveform is a charging current waveform, and the negative value is a discharging current waveform; the N value is determined by the control precision of the conduction angle required by a user;
(2) according to the magnitude of the user charging current value A and the magnitude of the user discharging current value B, A, B is taken as a coefficient, after the coefficients are respectively multiplied by the N points, an alternating analog signal is output to respectively control the charging direct current electronic load and the discharging direct current electronic load; when the analog signal value is a positive value, the charging direct current electronic load needs to be turned on, and the discharging direct current electronic load is turned off at the same time; when the analog signal value is a negative value, the discharging direct current electronic load needs to be opened, the charging direct current electronic load is closed, and the charging direct current electronic load and the discharging direct current electronic load need to be switched at the zero crossing point of the analog signal;
(3) the charging and discharging current is sampled and output by a current sensor in a charging and discharging current loop, the sampling current is sent to a data acquisition unit after signal conditioning, and then analog signals output to a charging direct current electronic load and a discharging direct current electronic load are adjusted according to the value of the analog signals, so that the output current is the same as the set current, and the closed-loop control of the charging and discharging current is realized.
In the scheme, the zinc-silver battery is charged after the direct-current stabilized power supply is connected in series with the charging direct-current electronic load during charging; when discharging, the zinc-silver battery directly discharges the discharging direct current electronic load, if the total voltage at two ends of the zinc-silver battery is lower than the voltage required by the current pulling of the discharging direct current electronic load during discharging, a secondary discharging source must be added into the formation circuit.
The above scheme is further that the charge and discharge current waveforms include full-wave charge waveforms, half-wave charge waveforms, pulse charge and discharge waveforms, and constant-current discharge waveforms, and the on-time of the waveforms is adjustable.
A control device for charging and discharging a zinc-silver battery, which is used for implementing the method for generating the current waveform for charging and discharging the zinc-silver battery, comprises:
the industrial personal computer provides a human-computer interface;
the data acquisition unit is a multifunctional analog quantity data acquisition unit and is in bidirectional communication with the industrial personal computer, and the data acquisition unit at least comprises an analog quantity acquisition port, an analog quantity output port and an I/O port, wherein the data acquisition unit is respectively connected with a voltage sensor and a current sensor through the analog quantity acquisition port, and the voltage sensor and the current sensor are connected in an output loop of the zinc-silver battery; the data acquisition unit is respectively connected with a charging direct current electronic load and a discharging direct current electronic load through an analog quantity output port, the charging direct current electronic load is connected with the zinc-silver battery to form a charging loop, the discharging direct current electronic load is connected with the zinc-silver battery to form a discharging loop, and the charging loop and the discharging loop are controlled to switch through change-over switches KO1 and KO 2; and the I/O port of the data collector controls the change-over switches KO1 and KO2 through a relay driving module.
The invention generates the analog signals of the charging and discharging current waveforms needed by the data acquisition unit in a mathematical way to respectively control the charging and discharging electronic loads, accurately outputs the formation current values required correspondingly, and charges and discharges the zinc-silver battery; the charging and discharging current waveforms are smooth and complete, the conduction time is accurately and reliably controlled, and the high stability and safety of the zinc-silver battery are ensured. The device has simple wiring and reliable and convenient control.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a schematic block diagram of the charging of the present invention;
FIG. 3 is a schematic block diagram of the present invention during discharge (without an accompanying discharge source);
FIG. 4 is a schematic block diagram of the present invention during discharge (with an associated discharge source);
fig. 5, 6, 7, 8 and 9 are schematic diagrams of current waveforms generated by the present invention.
The specific implementation mode is as follows:
the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Referring to fig. 1, 2, 3 and 4, which are schematic diagrams illustrating the principle of the present invention, the present invention relates to a method for generating charging and discharging current waveforms of a zinc-silver battery, wherein a charging direct current electronic load and a discharging direct current electronic load are adopted to respectively perform current control on positive and negative half cycles of charging and discharging of the zinc-silver battery, and after sampling the voltage and current of an output loop of the zinc-silver battery, the current is fed back to a data acquisition unit, the data acquisition unit performs closed-loop control on the whole formation circuit, and the closed loop automatically adjusts the magnitude of the output charging and discharging current and generates charging and discharging current waveforms. Specifically, the data acquisition unit is a multifunctional analog data acquisition unit, and the data acquisition unit performs closed-loop control on the whole formation circuit, including:
(1) according to the current waveform required by the charging and discharging process of a user, N points are taken in a memory of a data acquisition unit in one period, and various required alternating current waveforms in a ratio of 1: 1 are synthesized; the positive value of the waveform is a charging current waveform, and the negative value is a discharging current waveform; the N value is determined by the control precision of the conduction angle required by a user;
(2) according to the magnitude of the user charging current value A and the magnitude of the user discharging current value B, A, B is taken as a coefficient, after the coefficients are respectively multiplied by the N points, an alternating analog signal is output to respectively control the charging direct current electronic load and the discharging direct current electronic load; when the analog signal value is a positive value, the charging direct current electronic load needs to be turned on, and the discharging direct current electronic load is turned off at the same time; when the analog signal value is a negative value, the discharging direct current electronic load needs to be opened, the charging direct current electronic load is closed, and the charging direct current electronic load and the discharging direct current electronic load need to be switched at the zero crossing point of the analog signal;
(3) the charging and discharging current is sampled and output by a current sensor in a charging and discharging current loop, the sampling current is sent to a data acquisition unit after signal conditioning, and then analog signals output to a charging direct current electronic load and a discharging direct current electronic load are adjusted according to the value of the analog signals, so that the output current is the same as the set current, and the closed-loop control of the charging and discharging current is realized.
The invention simply generates various analog signals of charging and discharging current waveforms to control charging and discharging direct current electronic loads by a data acquisition unit through a smart concept, and performs constant current charging, pulse charging and discharging, constant current discharging and the like on the zinc-silver battery. According to the process requirements of zinc-silver battery manufacturers, charging and discharging current waveforms (full wave, half wave and pulse wave) with different adjustable conduction time and rated values are output. And the single batteries can be put in and cut off according to related parameters preset by manufacturers. By optimizing the charging and discharging process and selecting different charging and discharging current waveforms and sizes, the high-quality zinc-silver battery is produced.
Referring to fig. 1, 2, 3 and 4, in the invention, during charging, the dc regulated power supply is connected in series with the charging dc electronic load and then charges the zinc-silver battery; when discharging, the zinc-silver battery directly discharges the discharging direct current electronic load, if the total voltage at two ends of the zinc-silver battery is lower than the voltage required by the current pulling of the discharging direct current electronic load during discharging, a secondary discharging source must be added into the formation circuit. The method is characterized in that an industrial control computer is adopted to control a data acquisition unit, the characteristics of the data acquisition unit are utilized, analog signals of charging and discharging current waveforms required in the production and preparation process of the zinc-silver battery are generated in a mathematical mode, and the signals are utilized to respectively control charging direct current electronic loads and discharging direct current electronic loads which are charged and discharged to output corresponding charging and discharging currents. The charging and discharging current waveform is smooth and complete, the control of the conduction time is accurate and reliable, different current charging and discharging time periods (variable current charging and discharging) can be set, and the charging and discharging of the zinc-silver battery are carried out. The magnitude of the charging current and the discharging current can be set at will, the waveform of the charging current and the discharging current can be theoretically generated by a mode of generating the waveform of the charging current and the discharging current by a data acquisition unit, the generation method is simple, the magnitude of the output charging current and the magnitude of the output discharging current can be automatically adjusted in a closed loop according to the sampling of the charging current and the discharging current of the measurement output loop, and the high accuracy of the output charging current and the output discharging current is achieved. The charge and discharge current waveforms generated by the invention comprise full-wave charge waveforms, half-wave charge waveforms, pulse charge and discharge waveforms and constant-current discharge waveforms, and the conduction time of the waveforms can be adjusted. As shown in fig. 5, 6, 7, 8 and 9, the current waveforms generated by the present invention include full-wave full-on charging waveforms, half-wave on charging waveforms of 5ms, and positive and negative half-wave asymmetric pulse charging and discharging waveforms, and it is of course possible to conveniently and simply generate the relevant charging and discharging current waveforms and current magnitudes according to the charging and discharging process requirements arbitrarily set by the user.
The invention also provides a control device for charging and discharging the zinc-silver battery, which is used for implementing the method for generating the charging and discharging current waveform of the zinc-silver battery, and the control device is provided with an industrial personal computer 1 and a data acquisition unit 2, wherein the industrial personal computer 1 provides a human-computer interface, and is convenient for a user to arbitrarily set the relevant requirements of the charging and discharging process. The data acquisition unit 2 is a multifunctional analog quantity data acquisition unit and is communicated with an industrial personal computer in a bidirectional way to achieve data exchange. The data collector 2 at least has an analog quantity collecting port 21, an analog quantity output port 22 and an I/O port 23, wherein the data collector 2 is respectively connected with the voltage sensor 3 and the current sensor 4 through the analog quantity collecting port 21, and the voltage sensor 3 and the current sensor 4 are connected in the output loop of the zinc-silver battery so as to sample the voltage and the current of the output loop of the zinc-silver battery. The data acquisition unit is respectively connected with a charging direct current electronic load 5 and a discharging direct current electronic load 6 through an analog quantity output port 22, the charging direct current electronic load 5 is connected with a zinc-silver battery to form a charging loop, the discharging direct current electronic load 6 is connected with the zinc-silver battery to form a discharging loop, and the charging loop and the discharging loop are controlled to perform conversion work through change-over switches KO1 and KO 2; the I/O port 23 of the data acquisition unit controls the change-over switches KO1 and KO2 through the relay driving module 7, so that the charge loop and the discharge loop are switched, when the analog signal value is a positive value, the charge loop works, and meanwhile, the discharge loop is disconnected; when the analog signal value is a negative value, the discharging loop works, and meanwhile, the charging loop is disconnected. During charging, the high-precision direct-current stabilized voltage supply 8 is connected in series with the charging direct-current electronic load 5 to charge the zinc-silver battery 100; when discharging, the zinc-silver battery 100 directly discharges the discharging direct current electronic load 6, and when the total voltage at the two ends of the zinc-silver battery 100 is lower than the voltage required by the discharging direct current electronic load 6 when pulling current, the discharging circuit must be added with the discharging source 9, the closed loop automatically adjusts the magnitude of the output charging and discharging current, and the high accuracy of the output charging and discharging current is achieved.
The invention has simple wiring, reliable and convenient control; the full automation of the charging and discharging process is realized, the labor intensity of operators is greatly reduced, and the product quality is improved. The formation current control precision is less than +/-0.5% reading +/-0.1% measuring range: the control precision of the waveform conduction angle is +/-0.5 ms.
The applicant also adopts the technical scheme to produce a plurality of automatic production devices and puts the automatic production devices into production and preparation of zinc-silver batteries of military enterprises, each technical index meets the requirements of users, the production efficiency of the enterprises is improved, the labor intensity of operators is reduced, the praise of the users is obtained, and the product quality of various military zinc-silver batteries produced by the military enterprises is greatly ensured. When the control device works, the zinc-silver battery charging and discharging control device can automatically charge and discharge the zinc-silver battery according to the set current, waveform and time sequence, and can also manually intervene the time sequence. Through the preset voltage of the battery or the preset value of the charging and discharging time, a certain single battery can be cut off automatically, and the single battery can be accessed or cut off manually. Meanwhile, working parameters such as voltage, current, waveform, temperature between charging and discharging of the battery and the like can be automatically monitored and recorded, and monitoring data can be printed and output.
When a user needs to change the charging and discharging current waveforms, the user requirements can be realized only by generating the required waveforms in the data acquisition unit; moreover, the setting of various waveform conduction angles can be conveniently realized, and the accuracy of the set conduction angles can be ensured. As the positive half wave and the negative half wave are adopted to correspondingly control the charging and discharging electronic load, the positive half wave and the negative half wave can easily realize asymmetric charging and discharging current waveforms (corresponding analog control signals are generated by multiplying the positive half wave and the negative half wave by different coefficients A/B, wherein A is a charging current value and B is a discharging current value), and the different charging and discharging process requirements of users can be conveniently, reliably and simply realized. The total voltage on the charging and discharging loop is sampled, the direct current power supply is controlled to change the output voltage along with the increase and decrease of the single battery, the voltage drop at two ends of the direct current electronic load is maintained within a reasonable range, and the direct current electronic load is guaranteed not to be in a power protection state. The direct current electronic load is controlled to output an accurate formation current consistent with a set value by sampling the current on the charging and discharging loop. The whole formation circuit performs closed-loop control, and the formation current control precision is greatly improved.
It is to be understood that the foregoing detailed description of the present invention has been provided only for the purpose of illustrating the technical spirit and features of the present invention, and the present invention is not limited thereto.
Claims (5)
1. A method for generating charging and discharging current waveforms of a zinc-silver battery is characterized in that a charging direct current electronic load and a discharging direct current electronic load are adopted to respectively carry out current control on positive and negative half cycles of charging and discharging of the zinc-silver battery, voltage and current of an output loop of the zinc-silver battery are sampled and then fed back to a data acquisition unit, the data acquisition unit carries out closed-loop control on the whole formation circuit, the magnitude of the output charging and discharging current is automatically adjusted in a closed loop mode, and charging and discharging current waveforms are generated.
2. The method for generating the charging and discharging current waveforms of the zinc-silver battery according to claim 1, wherein the data collector is a multifunctional analog data collector, and the data collector performs closed-loop control on the whole formation circuit and comprises:
(1) according to the current waveform required by the charging and discharging process of a user, N points are taken in a memory of a data acquisition unit in one period, and various required alternating current waveforms in a ratio of 1: 1 are synthesized; the positive value of the waveform is a charging current waveform, and the negative value is a discharging current waveform; the N value is determined by the control precision of the conduction angle required by a user;
(2) according to the magnitude of the user charging current value A and the magnitude of the user discharging current value B, A, B is taken as a coefficient, after the coefficients are respectively multiplied by the N points, an alternating analog signal is output to respectively control the charging direct current electronic load and the discharging direct current electronic load; when the analog signal value is a positive value, the charging direct current electronic load needs to be turned on, and the discharging direct current electronic load is turned off at the same time; when the analog signal value is a negative value, the discharging direct current electronic load needs to be opened, the charging direct current electronic load is closed, and the charging direct current electronic load and the discharging direct current electronic load need to be switched at the zero crossing point of the analog signal;
(3) the charging and discharging current is sampled and output by a current sensor in a charging and discharging current loop, the sampling current is sent to a data acquisition unit after signal conditioning, and then analog signals output to a charging direct current electronic load and a discharging direct current electronic load are adjusted according to the value of the analog signals, so that the output current is the same as the set current, and the closed-loop control of the charging and discharging current is realized.
3. The method according to claim 2, wherein during charging, the zinc-silver battery is charged after a DC stabilized power supply is connected in series with a charging DC electronic load; when discharging, the zinc-silver battery directly discharges the discharging direct current electronic load, if the total voltage at two ends of the zinc-silver battery is lower than the voltage required by the current pulling of the discharging direct current electronic load during discharging, a secondary discharging source must be added into the formation circuit.
4. The method for generating the charging and discharging current waveform of the zinc-silver battery as claimed in claim 1 or 2, wherein the charging and discharging current waveform comprises a full-wave charging waveform, a half-wave charging waveform, a pulse charging and discharging waveform and a constant current discharging waveform, and the on-time of the waveform is adjustable.
5. A control device for charging and discharging a zinc-silver battery, for implementing the method for generating a charging and discharging current waveform of a zinc-silver battery according to any one of claims 1 to 4, comprising:
the industrial personal computer provides a human-computer interface;
the data acquisition unit is a multifunctional analog quantity data acquisition unit and is in bidirectional communication with the industrial personal computer, and the data acquisition unit at least comprises an analog quantity acquisition port, an analog quantity output port and an I/O port, wherein the data acquisition unit is respectively connected with a voltage sensor and a current sensor through the analog quantity acquisition port, and the voltage sensor and the current sensor are connected in an output loop of the zinc-silver battery; the data acquisition unit is respectively connected with a charging direct current electronic load and a discharging direct current electronic load through an analog quantity output port, the charging direct current electronic load is connected with the zinc-silver battery to form a charging loop, the discharging direct current electronic load is connected with the zinc-silver battery to form a discharging loop, and the charging loop and the discharging loop are controlled to switch through change-over switches KO1 and KO 2; and the I/O port of the data collector controls the change-over switches KO1 and KO2 through a relay driving module.
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| WO2008090453A2 (en) * | 2007-01-25 | 2008-07-31 | Sovema S.P.A. | Appliance for charging batteries |
| CN101769995A (en) * | 2010-01-26 | 2010-07-07 | 南京工业大学 | Intelligent battery cycle charge-discharge testing device |
| CN202721473U (en) * | 2012-08-16 | 2013-02-06 | 石家庄金硕电子科技有限公司 | Charge-discharge all-in-one machine |
| CN104300598A (en) * | 2014-09-03 | 2015-01-21 | 北京交通大学长三角研究院 | MPPT solar charging and constant current controller |
| CN105098922A (en) * | 2015-08-26 | 2015-11-25 | 贵州航天电子科技有限公司 | 28V/35Ah zinc-silver battery charging system and charging method thereof |
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- 2021-01-29 CN CN202110122155.2A patent/CN112968225B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008090453A2 (en) * | 2007-01-25 | 2008-07-31 | Sovema S.P.A. | Appliance for charging batteries |
| CN101769995A (en) * | 2010-01-26 | 2010-07-07 | 南京工业大学 | Intelligent battery cycle charge-discharge testing device |
| CN202721473U (en) * | 2012-08-16 | 2013-02-06 | 石家庄金硕电子科技有限公司 | Charge-discharge all-in-one machine |
| CN104300598A (en) * | 2014-09-03 | 2015-01-21 | 北京交通大学长三角研究院 | MPPT solar charging and constant current controller |
| CN105098922A (en) * | 2015-08-26 | 2015-11-25 | 贵州航天电子科技有限公司 | 28V/35Ah zinc-silver battery charging system and charging method thereof |
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